LT3507AIUHF#TRPBF

Product Overview

Category

The LT3507AIUHF#TRPBF belongs to the category of integrated circuits (ICs) and specifically falls under the voltage regulators - switching regulators category.

Use

This product is primarily used for regulating voltage in electronic circuits. It provides a stable output voltage regardless of input voltage fluctuations.

Characteristics

• High efficiency: The LT3507AIUHF#TRPBF offers high efficiency, minimizing power loss during voltage regulation.
• Wide input voltage range: It can accept a wide range of input voltages, making it suitable for various applications.
• Small package size: The IC comes in a compact package, allowing for space-saving designs.
• Low quiescent current: It has low power consumption when in standby mode, conserving energy.

Package and Quantity

The LT3507AIUHF#TRPBF is available in a small 16-pin QFN (Quad Flat No-Lead) package. It is typically sold in reels containing a specified quantity, usually around 2500 units per reel.

Specifications

• Input Voltage Range: 2.5V to 45V
• Output Voltage Range: 1.24V to 38V
• Maximum Output Current: 3A
• Switching Frequency: 1MHz
• Operating Temperature Range: -40°C to 125°C

Pin Configuration

The LT3507AIUHF#TRPBF has 16 pins arranged as follows:

Pin 1: VIN Pin 2: SW Pin 3: GND Pin 4: FB Pin 5: VOUT Pin 6: COMP Pin 7: SS Pin 8: RT Pin 9: SYNC Pin 10: AGND Pin 11: PGND Pin 12: VCC Pin 13: EN Pin 14: MODE Pin 15: SS/TRK Pin 16: NC

Functional Features

• Wide input voltage range allows for versatile applications.
• High efficiency minimizes power loss and maximizes energy utilization.
• Adjustable output voltage enables customization for specific requirements.
• Synchronization capability allows for synchronization with an external clock signal.
• Soft-start feature prevents excessive inrush current during startup.

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption and heat generation.
• Wide input voltage range provides flexibility in various applications.
• Compact package size saves space in circuit designs.
• Adjustable output voltage allows for customization.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Higher cost compared to linear voltage regulators.
• Requires additional external components for proper operation.

Working Principles

The LT3507AIUHF#TRPBF is a switching regulator that utilizes a high-frequency switching technique to regulate the output voltage. It operates by rapidly switching an internal power transistor on and off, controlling the energy flow from the input to the output. This switching action allows for efficient voltage conversion while minimizing power loss.

The IC incorporates a feedback mechanism that continuously monitors the output voltage and adjusts the duty cycle of the switching transistor to maintain a stable output voltage despite changes in the input voltage or load conditions.

Detailed Application Field Plans

The LT3507AIUHF#TRPBF finds applications in various fields, including:

1. Power supplies for industrial equipment
2. Automotive electronics
3. Telecommunications systems
4. Battery-powered devices
5. LED lighting systems
6. Portable electronic devices

Its wide input voltage range, high efficiency, and compact package make it suitable for these diverse applications.

Alternative Models

For those seeking alternative options, the following models can be considered:

1. LT3507A-1: Similar to LT3507AIUHF#TRPBF but with a different package type (e.g., SOIC).
2. LT3507B: Offers additional features such as adjustable soft-start and power good signal.
3. LT3508: Higher maximum output current of 4A for more demanding applications.

These alternatives provide similar functionality and can be chosen based on specific requirements and availability.

In conclusion, the LT3507AIUHF#TRPBF is a versatile switching regulator IC that offers high efficiency, wide input voltage range, and compact size. Its numerous advantages make it suitable for various applications in different fields.